The Relationship Between Interoception, Alexithymia, Autistic Traits and Eating Pathology in Autistic Adults.

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Title: The Relationship Between Interoception, Alexithymia, Autistic Traits and Eating Pathology in Autistic Adults.
Authors: Westwood, Heather (AUTHOR), Mandy, Will (AUTHOR), Brewer, Rebecca (AUTHOR)
Source: Journal of Autism & Developmental Disorders. Jul2026, Vol. 56 Issue 7, p2574-2587. 14p.
Subjects: Cross-sectional method, Statistical models, Research funding, Data analysis, Cronbach's alpha, Autism, Sensory perception, Alexithymia, Questionnaires, Body image, Structural equation modeling, Chi-squared test, Eating disorders, Mathematical models, Statistics, Asperger's syndrome, Theory, Comparative studies, People with disabilities, Self-perception, Disease complications
Abstract: This study investigated the mechanisms underlying disordered eating of autistic adults, by investigating associations between eating disorder (ED) symptoms and autistic traits; autism-specific atypical eating; alexithymia; interoception; and body image in autistic and non-autistic participants. Autistic adults (n = 196) and non-autistic adults (n = 206) completed online self-report measures assessing ED pathology, atypical eating, body image dissatisfaction, interoception, alexithymia, and autistic traits. Structural Equation Modelling tested a theoretical model of the relationships between these variables, and whether these relationships were moderated by autism diagnosis. Autistic adults self-reported higher ED pathology than non-autistic adults. The proposed model and the strength of the relationship between body image and ED pathology did not differ between the autistic and non-autistic groups. Atypical eating (not related to over-evaluation of weight/shape), however, was only associated with ED pathology in the autistic group. Both traditional and additional factors, including eating disturbances not driven by weight/shape concern, appear to contribute to ED pathology in autism. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
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Abstract:This study investigated the mechanisms underlying disordered eating of autistic adults, by investigating associations between eating disorder (ED) symptoms and autistic traits; autism-specific atypical eating; alexithymia; interoception; and body image in autistic and non-autistic participants. Autistic adults (n = 196) and non-autistic adults (n = 206) completed online self-report measures assessing ED pathology, atypical eating, body image dissatisfaction, interoception, alexithymia, and autistic traits. Structural Equation Modelling tested a theoretical model of the relationships between these variables, and whether these relationships were moderated by autism diagnosis. Autistic adults self-reported higher ED pathology than non-autistic adults. The proposed model and the strength of the relationship between body image and ED pathology did not differ between the autistic and non-autistic groups. Atypical eating (not related to over-evaluation of weight/shape), however, was only associated with ED pathology in the autistic group. Both traditional and additional factors, including eating disturbances not driven by weight/shape concern, appear to contribute to ED pathology in autism. [ABSTRACT FROM AUTHOR]
ISSN:01623257
DOI:10.1007/s10803-024-06708-5